Ionic Bonding

Chemical bonds form when atoms

• combined nuclei
• give up neutrons
• gain protons
• share or transfer electrons

Ionic bonds are made between what kinds of elements?

• only metals

• only nonmetals

• metals and nonmetals

• shared electrons

In an ionic bond, the electrons are what?

• Transferred permanently from one atom to another

• Shared constantly between both atoms

What usually forms the positive ion?

• Metal

• Nonmetals

• None

Which category of elements usually form negative ions?

• metals

• nonmetals

• metalloids

• noble gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If I had a cation with a charge of ²⁺ how would you describe the formation of that ion?

• gained 2 electrons

• lost 2 electrons

• gained 4 electrons

• lost 4 electrons

Tags

NGSS.HS-PS1-2

If I had an anion with a charge of ^3- how would you describe the formation of that ion?

• gained 2 electrons

• lost 2 electrons

• gained 3 electrons

• lost 3 electrons

If potassium loses or gives away an electron, what is its charge?

• -2

• -1

• 0

• +1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If fluorine gains or receives an electron what is its charge?

• -2

• -1

• 0

• +1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion